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公开(公告)号:EP0972090B1
公开(公告)日:2005-09-28
申请号:EP98917279.6
申请日:1998-04-01
发明人: BELLUS, Jacques , BAUDRY, Gilles , DUDRAGNE, Gilles , GIRODIN, Daniel , JACOB, Gérard , VINCENT, Alain , LORMAND, Gérard
CPC分类号: F16C33/30 , C21D8/105 , C21D9/40 , C22C38/18 , C22C38/34 , F16C33/64 , Y10S148/906 , Y10S384/912
摘要: Disclosed is steel used to manufacture a part for a ball bearing. The chemical composition of the steel in weight is as follows: 0.6 %
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公开(公告)号:EP0972090A1
公开(公告)日:2000-01-19
申请号:EP98917279.6
申请日:1998-04-01
发明人: BELLUS, Jacques , BAUDRY, Gilles , DUDRAGNE, Gilles , GIRODIN, Daniel , JACOB, Gérard , VINCENT, Alain , LORMAND, Gérard
CPC分类号: F16C33/30 , C21D8/105 , C21D9/40 , C22C38/18 , C22C38/34 , F16C33/64 , Y10S148/906 , Y10S384/912
摘要: Disclosed is steel used to manufacture a part for a ball bearing. The chemical composition of the steel in weight is as follows: 0.6 % ≤ C ≤ 1.5 %; 0.4 % ≤ Mn ≤ 1.5 %; 0.75 % ≤ Si ≤ 2.5 %; 0.2 % ≤ Cr ≤ 2 %; 0 % ≤ Ni ≤ 0.5 %; 0 % ≤ Mo ≤ 0.2 %; 0 %
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